電子偏轉系 的英文怎麼說

中文拼音 [diànzipiānzhuǎnxì]
電子偏轉系 英文
electric deflection system
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 偏 : Ⅰ形容詞1 （不正; 歪斜） inclined to one side; slanting; leaning 2 （只側重一面） partial; prejudi...
  • 轉 : 轉構詞成分。
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 電子 : [物理學] [電學] electron
  • 轉系 : swith majors
  1. Part 2 analyses beam landing shifts made by thermal deformations of a shadow mask and vibration of a new type of shadow mask - aperture grille. an automatic measurement system for cpt decolorization and a vibration measurement system for aperture grille are established. part 3 analyses the difference of perception and discrimination to color between the human eyes and ccd system, and develops a new method based on ccd technology to evaluate the screen white - balance

    主要內容分為三部分： （ 1 ）分析著屏電子束分佈與電子槍、偏轉系統及蔭罩之間的關系，研製自動測試裝置，為設計和改進相關結構提供依據； （ 2 ）分析蔭罩熱變形和振動對顯示屏色純度影響，建立了色純漂移自動測試裝置和張緊式蔭罩振動測試系統； （ 3 ）分析了人眼與ccd對彩色刺激的不同響應，建立了基於ccd的顯示器全屏色純均勻性測試方法。
  2. Aberration of electronic lens made by electron gun and aberration of magnetic deflection system made by dy are comprehensively investigated, so is the shadow mask ' s effect on electron beam landing screen error. the conclusion can be get that, because the distribution of electron beam landing screen ( distribution of luminance ) is affected by many kinds of factors, it cannot get the correct function by calculation, and should be get by measurement instead

    全面分析了cpt電子槍發射系統形成的電子透鏡像差與磁偏轉系統形成的偏轉像差；分析了蔭罩的自身厚度與位移對電子束著屏的影響，並由此得出結論，著屏電子束分佈（即亮度分佈）受著許多因素的影響，理論分析是半定量的，著屏電子束分佈需要用精確的測量儀器來測量。
  3. The effect on display characteristic made by thermal deformations of the shadow mask is comprehensively investigated. by using the electron beam distribution automatic measurement system with a micro - deflective coil, a concave spot in luminance distribution can be get. it changes its position when the shadow mask changes its form

    本文系統全面地分析了傳統蔭罩的各類熱變形對顯示屏特性的影響，利用本文研製的電子束亮度分佈自動測試系統，附加一個微偏轉磁場，使相鄰兩電子束打在同一顏色的熒光粉條，並形成一個亮度凹點，當蔭罩變形時，凹點位置作相應的位移，以此原理跟蹤測量凹點位移量，即可得到色純漂移動態變化曲線。
  4. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  5. The new instrument add a sensor that can gather the signal of the stator inductive current. and by analyzing the signal of the stator inductive current, judge the moving state of the electromotor. this instrument is mainly diagnosis the follow fault : the fragment of the bar in the rotor fault, the fault of eccentricity of the interspace between the rotor and the state of the electromotor.,

    本儀器是在回轉機械故障診斷與監測系統的基礎上開發的，同時，根據電機這種特殊設備的實際情況，增加了電機電氣信號的檢測，即通過對電機定子三項繞組電流信號的變化分析，來找出電機的電氣故障，主要是轉子斷條，氣隙偏心故障以及定子等故障。
  6. The accurate calculation of the input voltage and the compensation for the dc - offset error and the variation of the stator resistance are important factors in practical implementation of the integration since they can cause a drift in the stator flux linkage trajectory and furthermore deteriorate the quality of torque control

    因此，輸入電壓的準確計算、直流漂移量的補償以及定子電阻變化的補償都是影響積分計算準確性的重要因素，這些誤差會導致定子磁鏈軌跡的偏移，進而降低系統轉矩控制的性能。
  7. By using auto - adjusting boundary conditions and the method of three cubed spline curve fitting, the system software can recover both of the horizontal and vertical beam profile. the measurement system can also measure the beam landing screen error of cpt. it provides a important measurement and analysis tool to improve the performance of electron gun and dy, and improve the definition of cpt

    系統軟體中，提出了採用動態確定邊界條件，通過對離散采樣點的三次樣條插值曲線的擬合恢復束斑x和y方向的輪廓，本系統既能準確客觀地描述電子束輪廓，又能夠準確快速地測量電子束著屏誤差等多種參數，為cpt電子槍和偏轉系統的性能改進與解析度的提高提供了有力的測試分析和研究手段。
  8. Specification for harmonized system of quality assessment for electronic components - blank detail specification : mercury wetted change - over contact units, magnetically biased

    電子元器件用質量評估協調體系規范.空白詳細規范:偏磁水銀浸潤轉換觸點裝置
  9. The main performances of the afm were in the advanced level around the world. the probe unit of the horizontal afm includes a photo - electronic detection unit with a particular optical - beam - deflection path, a regulating block of the setpoint of imaging force, the xy scanner and z feedback controller, the coarse adjusting and fine adjusting mechanism for the sample approaching to the probe tip. the powerful circuits of preamplifier, as well as the circuits of xy scanner and z feedback controller were developed

    成功研製了臥式afm探頭，包括特有的微懸臂偏轉量的臥式光電檢測系統、 afm成像工作點（即原子力的預設置點）的調節機構、 jy }藝掃描與反饋控制器、樣品的粗調與微調機構;自行研製了高性能的psd前置放大電路、 xy掃描控制電路和z向pid反饋控制電路系統;設計了a / d & d / a控制介面，獨立開發了性能完善的afm掃描與控制軟體系統及功能強大的圖像處理軟體系統。
  10. Firstly, the relationship of atomic force and distance is studied. the scan type of samples and the working mode of probe is confirmed, then pzt is chosen as actuator for micro scan displacement, and optical deflexion method is used to detect the deflexion value of cantilever. after all these work, the system light path design is finished, and its mathematical model is completed

    首先，分析了原子力探針系統的中原子力?距離的關系，並確定探針系統的探針的工作模式和樣品的掃描模式，從而選擇壓電陶瓷作為掃描微位移驅動器;採用光學偏轉法檢測微懸臂偏轉量，並選用了psd作為傳感元件，並在此基礎上進行了系統光路設計及其數學模型的建立。
  11. It can also determine the fault spot and reason. this technology has been used in some technological fields and proved efficient. it has promoted the revolution of maintance system and the historial protection is replaced by preventive maintenance. with this technology, we can improve the reliability of machine and decrease the maintance fee. recently, reserch has pick up a fervent pace in the area of fault diagnosis of electrical machines. the paper simply analyzes the fault reason of electrical machines, stressly describes and explores the methods of condition monitoring and fault diagnosis such as partial discharge, stator current, rotating speed, vibration etc. fault prognosis is now include diagnostic feature, reason, spot. prodigious improvement in signal processing hardware and software has made this possible. primarily, these techniques depend on locating specific harmonic components of the fault. these harmonic components are usually diffirent for diffirent types of faults. automated tools such as fuzzy logic based system is also simply presented in the paper

    本文從絕緣結構的故障機理入手，以絕緣結構故障的典型特徵? ?局部放電為研究對象，重點討論局部放電的在線監測方法、適用場合併比較它們的優缺點；在分析籠型異步電機轉子斷條在線監測的定子電流監測方法后，根據其缺陷，本文探討了溫升不平衡法、希爾伯特變換數字濾波、小波包分析法的原理及優點；以電機軸承、氣隙偏心等故障為研究對象，通過對電機振動和轉速頻率的檢測，診斷電機的故障類型；本文的重點工作是將人工智慧技術中的模糊技術應用於電機的狀態監測和故障診斷中，力求使電機故障診斷更接近人工智慧化；最後，本文對電機狀態監測和故障診斷系統進行了硬體和軟體初步設計，為實現預測維修提供了有效的技術手段。
  12. The main works are organized as follows : based on the switching function method and time domain simulations, the small disturbance transfer a characteristic through the converter is analyzed. because of the modulation effect of the converter, the small disturbance in the shaft of turbine generator will induce ac voltage component with the same frequency as the disturbance on the dc side. and the resulted ac current on the dc side will have the similar frequency shift when transfers to the stator of the generator

    主要內容包括： （ 1 ）基於開關函數法和模擬分析，研究了機組轉子上次同步頻率的小擾動，在hvdc交直流兩側響應的頻率特性- - - -轉子上的小擾動經直流換流器調制后，將會在系統直流側感應出與擾動同頻率的電壓分量；直流側電流擾動反映到交流定子側，也將發生頻率偏移。
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